There________great changes in our hometown in twenty years．
| A．are |
| B．were |
| C．will be |
| D．will have |
选出划线部分发音与其他三项不同的一项。
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How long have you ______ this book ?
| A．bought | B．borrowed | C．had | D．lent |
You can visit Hong Kong in ______ season because there are many modern shopping malls there.
| A．some | B．any | C．many | D．none |
—Shall we go to Australia for the long holiday ?
--Sorry. I _______ there twice.
| A．have gone | B．was | C．have been | D．go |
I became a teacher ten years ______. I have been a teacher _______ 2008.
| A．ago; for | B．before; since | C．ago; since | D．ago; in |